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DHT12 humidity temperature sensor and ESP8266 example

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ESP8266 and SHT21 humidity and temperature sensor example

SHT21, the new humidity and temperature sensor of Sensirion is about to set new standards in terms of size and intelligence: Embedded in a reflow solderable Dual Flat No leads (DFN) package of 3 x 3mm foot print and 1.1mm height it provides calibrated, linearized signals in digital, I2C format.

With a completely new designed […]

ESP8266 and Si7021 temperature sensor example

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Wemos and LM35 temperature sensor

In this example we will connect an LM35 temperature sensor to our Arduino

The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The LM35 thus has an advantage over linear temperature sensors calibrated in Kelvin, as the user is not required to subtract a large […]